BRAKE PULSATIONS KNUCKLE-TO-CALIPER CLEARANCE

ALL MODELS

We have heard of some instances regarding brake pulsations being repaired by turning the rotors. However, in these instances, there is no mention that the knuckle-to-caliper clearance, as outlined in the service manuals and service bulletin 85-5-1 was checked. We suspect that the knuckle-to-caliper clearance is not being checked. It is essential that the clearance as specified be obtained, or a repeat of this condition may occur.

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.